i
‐
SHWAK
V4
Inverter
air/water
chillers
and
heat
pumps
with
floor
‐
standing
and
remote
condensing
units
8
5
GENERAL
CHARACTERISTICS
5.1 AVAILABLE
MODELS
Model
MAR1,
1
‐
phase
FLOOR
STANDING
version
with
technical
water
puffer
of
250
lt
for
DHW.
Model
MARS1,
1
‐
phase
FLOOR
STANDING
version
with
technical
water
puffer
for
DHW
of
250
lt
equipped
with
solar
coil.
Model
MARP1,
1
‐
phase
floor
standing
version,
with
technical
water
puffer
tank
of
190
lt
for
DHW
and
technical
water
puffer
tank
of
40
lt
for
plant
side.
Model
MARPS1,
1
‐
phase
floor
standing
unit,
with
technical
water
puffer
tank
of
190
lt
for
DHW
equipped
with
solar
coil
and
technical
water
puffer
tank
of
40
lt
for
plant
side.
Model
MAR3,
3
‐
phase
floor
standing
version
with
technical
water
puffer
tank
of
250
lt
for
DHW.
Model
MARS3,
3
‐
phase
floor
standing
version,
with
technical
water
puffer
tank
of
250
lt
for
DHW
equipped
with
solar
coil.
Model
MARP3,
3
‐
phase
floor
standing
version,
with
technical
water
puffer
tank
of
190
lt
for
DHW
and
technical
water
puffer
tank
of
40
lt
for
plant
side.
Model
MARPS3,
3
‐
phase
floor
standing
version,
with
technical
water
puffer
tank
of
190
lt
for
DHW
equipped
with
solar
coil
and
technical
water
puffer
tank
of
40
lt
for
plant
side.
5.2 MAR
As
standard:
1)
Technical
water
puffer
tank
in
250
lt
for
DHW,
coated
with
a
50
mm
thick
polyurethane.
2)
Pump
circulator
and
rapid
preparer
of
high
efficiency
according
to
ErP
up
to
the
values
EEI
≤
0,21.
3)
Exchangers
of
the
heat
pump
and
of
the
DHW
rapid
producer
in
stainless
steel
AISI
304.
4)
An
included
Y
‐
filter
with
impurities
discharge
valve.
5)
Tap
of
water
loading/unloading
on
DHW
technical
side.
6)
Automatic
air
vent
valves
mounted
on
DHW
technic
side.
7)
Double
manometer
6
bar
to
measure
the
water
flow/load
losses.
8)
8
‐
liters
expansion
vessel
mounted
on
heat
pump
side.
9)
3
bar
Pressure
relief
valves
to
connect
to
the
collecting
system.
10)
3
‐
way
valve
for
commutation
between
plant
side
and
DHW
technical
side.
11)
Flow
switch
for
heat
exchanger
protection.
12)
Flowmeter
for
managing
the
rapid
production
of
DHW.
13)
Single
‐
phase
or
three
‐
phase
electric
power
supply.
14)
Controller
logic
for
electric
heater
of
the
plant
side
in
integration
and/or
substitution.
15)
Controller
logic
for
boiler
or
similar
source
for
both
plant
and
DHW
technical
sides
in
integration
and/or
substitution
of
the
heat
pump
(digital
contact).
16)
Integrated
climatic
system
for
plant.
17)
Controller
logic
for
remote
temperature
sensor
of
the
plant
side.
18)
Integrated
controller
logic
for
double
set
‐
point
of
the
plant
side.
19)
Integrated
controller
logic
for
intelligent
energy
resources.
Accessories:
1)
Expansion
vessel
of
8
litres
on
plant
side
(optional
kit,
factory
‐
mounted,
mod.
VE8AT)
(not
available
in
case
of
installation
of
boiler
or
electric
heater
kit).
2)
Single
and
three
‐
phase
electric
heaters
of
1,2
‐
3
‐
4,5
kW
(depending
on
availability
–
check
the
possibility
in
chapter
7)
,
common
to
the
plant
and
DHW
technical
sides
(if
the
optional
diverter
valve
kit
is
present),
managed
in
integration
and/or
substitution
mode.
Double
safety
level
with
automatic
and
manual
reset
thermostat
for
protecting
the
system
and
the
user
(optional
kit,
factory
‐
fitted
mod.
RExxxx).
3)
DHW
recirculation
controller
logic.
Mixer’s
controller
logic
for
plant
side
in
both
heating
and
cooling
operations.
controller
logic
for
solar
integration.
Controller
logic
for
relaunching
circulator
(secondary)
plant
side
(optional
kit,
installed
in
the
factory
mod.
GI2).
4)
Boiler
kit
on
DHW
technical
side:
allows
you
to
connect
the
unit
with
additional
energy
source
(boiler
or
others
similar)
to
manage
in
integration
and/or
substitution
of
the
heat
pump
(KCACS
kit).
5.3 MARP
As
standard:
1)
Puffer
for
technical
water
of
190
lt
for
DHW
(domestic
hot
water)
and
plant
technical
puffer
of
40
lt,
with
polyurethane
coating
of
50
mm
thick.
2)
Circulator
of
the
heat
pump
and
the
rapid
preparer
of
high
efficiency
according
to
ErP
directive
up
to
values
of
EEI≤0.21.
3)
Exchangers
of
the
heat
pump
and
of
the
DHW
rapid
producer
in
stainless
steel
AISI
304.
4)
Integrated
Y
filter
with
impurities
discharge
valve.
5)
Tap
of
water
loading/unloading
for
both
DHW
technical
side
and
plant
side.
6)
Automatic
air
vent
valves
mounted
on
the
plant
side
and
on
the
DHW
technic
side.
7)
Double
manometer
6
bar
to
measure
the
water
flow/load
losses.
8)
Double
expansion
vessels,
one
on
the
plant
circuit
side
(8
litres)
and
the
other
on
DHW
technic
side
(10
litres).
9)
3
bar
pressure
relief
valve
to
be
connected
with
to
a
collecting
system.
10)
Flow
switch
for
heat
exchanger
protection.
11)
Flowmeter
for
managing
the
rapid
production
of
DHW.
12)
Single
or
three
phase
electric
power
supply.
13)
Electric
heater
controller
logic
for
plant
side
in
integration
and/or
substitution.
14)
Controller
logic
for
boiler
or
similar
source
for
both
plant
and
DHW
technical
sides
in
integration
and/or
substitution
of
the
heat
pump
(digital
contact).